Auto antenna



FIG. 1 is a perspective view of an auto antenna showing my new design.

FIG. 2 is left side elevation view thereof.

FIG. 3 is a top orthogonal plan view thereof.

FIG. 4 is a right side elevation view thereof.

FIG. 5 is a bottom orthogonal plan view thereof.

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof. 

I claim the ornamental design for an auto antenna, as shown. 